Yellow nails are unsightly and unhealthy, the main cause being represented by a fungal infection. Another factor that yellow the nails is the nail polish used repeatedly. To get rid of the yellowness, let your nails breathe and stop using nail polish for a while.
First step take a file and gently rub each nail. Second step, squeeze the juice of a lemon put it in a bowl with hot water and then add 4 tablespoons of baking soda. Last step soak your feet in this solutions for 5 minutes. If you don’t see any change, you can add a two tablespoons of hydrogen peroxide and hold your toenails in there for 2 minutes.
If your toenails are caused by a fungal infection this treatment won’t work. You have to get rid of the bacteria and you should go see a doctor or a pharmacist.